#
# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

@Engine("psql");

@Ground(Goal);
Goal("human" -> "happiness");
Goal("bird" -> "flight");
Goal("machine" -> "?");
Goal("universe" -> "?");

@OrderBy(Test, "col0");
Test(x) :- Goal(x -> "?");


